quick+ best answer= points?

answer these 6 math problems 4 easy points:

find surface area of fiquers with these measuremants

1. prism- 15 x 4 x 4

2.cylinder- 8=height, 3= radius

3.cylinder- 3=height, 5= radius

4.prism(cube)- 6.2 x 6.2 x 6.2

5.clylinder-9=height,2.9=radius

6.pyramid-7 x 5.9 x 5.9

i alrady have the answers, so i will only choose the true answer 4 the best answer

also incude the formula u used( if u can)- 1st person to this crrectly wins the points